-42.47% is the change from 478 to 275
Calculation steps:
[( 275 - 478 ) ÷ 478] x 100 = -42.47%
Formula
Percentage change = [(275 - 478) / 478] x 100
Subtract the new number by the original number
275 - 478 = -203
-203 ÷ 478 = -0.4246861924686193
-0.4246861924686193 x 100 = -42.47%